1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c
index 6b8fbddc0747..1593f8deb810 100644
--- a/drivers/media/video/pwc/pwc-ctrl.c
+++ b/drivers/media/video/pwc/pwc-ctrl.c
@@ -1386,11 +1386,16 @@ long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
         {
                 ARG_DEF(int, qual)
 
+                if (pdev->iso_init) {
+                        ret = -EBUSY;
+                        break;
+                }
+
                 ARG_IN(qual)
                 if (ARGR(qual) < 0 || ARGR(qual) > 3)
                         ret = -EINVAL;
                 else
-                        ret = pwc_try_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot);
+                        ret = pwc_set_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot);
                 if (ret >= 0)
                         pdev->vcompression = ARGR(qual);
                 break;